RE: Channel-protocol

From: Bob Sinclair (bob@bobsinclair.net)
Date: Sat Jul 29 2006 - 11:19:38 ART


Andras,

The channel-protocol command narrows the options for the channel-group
command on that interface. For example, if you enter the command
"channel-protocol lacp", then only lacp options will be configurable. Here
is a demonstration:

CAT3550(config-if)#int f0/10
CAT3550(config-if)#channel-protocol lacp
CAT3550(config-if)#channel-group 1 mode desirable
CAT3550(config-if)#
CAT3550(config-if)#
Jun 8 12:30:17.065: %EC-5-ERRPROT: Channel protocol mismatch for interface
Fa0/10
CAT3550#sh run int f0/10
Building configuration...

Current configuration : 107 bytes
!
interface FastEthernet0/10
 switchport mode dynamic desirable
 no ip address
 channel-protocol lacp

Note the pagp desirable option was not accepted.

HTH,

Bob Sinclair
CCIE 10427, CCSI 30427
www.netmasterclass.net

end-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Kulcsar Andras Benjamin
Sent: Saturday, July 29, 2006 3:48 AM
To: Cisco certification
Subject: Channel-protocol

Hello colleauges,

I wonder what is the purpose of the "channel-protocol" command in the
Cat3550.
When I got a task in my workbook to configure LACP, I always did:

Channel-protocol lacp
Channel-group 1 mode active

The solution was always only the second command.
Regards,
Andras



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